1963 Alfa Romeo Spider vs. 1977 Porsche 911
To start off, 1977 Porsche 911 is newer by 14 year(s). Which means there will be less support and parts availability for 1963 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1963 Alfa Romeo Spider would be higher. At 2,994 cc (6 cylinders), 1977 Porsche 911 is equipped with a bigger engine. In terms of performance, 1977 Porsche 911 (200 HP @ 6000 RPM) has 37 more horse power than 1963 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 1977 Porsche 911 should accelerate faster than 1963 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1963 Alfa Romeo Spider weights approximately 170 kg more than 1977 Porsche 911.
Let's talk about torque, 1977 Porsche 911 (260 Nm @ 4200 RPM) has 40 more torque (in Nm) than 1963 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1977 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1963 Alfa Romeo Spider.
Compare all specifications:
| 1963 Alfa Romeo Spider | 1977 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Spider | 911 |
| Year Released | 1963 | 1977 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2580 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 200 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 220 Nm | 260 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Engine Bore Size | 83 mm | 95 mm |
| Engine Stroke Size | 79.6 mm | 70.4 mm |
| Engine Compression Ratio | 9.2:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1330 kg | 1160 kg |
| Vehicle Length | 4510 mm | 4300 mm |
| Vehicle Width | 1610 mm | 1660 mm |
| Vehicle Height | 1390 mm | 1330 mm |
| Wheelbase Size | 2510 mm | 2280 mm |
| Fuel Tank Capacity | 52 L | 79 L |
